Precautions

It is very important that your doctor check your or your child's progress at regular visits to make sure this medicine is working properly. Blood tests may be needed to check for unwanted effects.

This medicine may cause serious allergic reactions, including anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention. Call your doctor right away if you have a rash, itching, lightheadedness or fainting, trouble breathing, trouble swallowing, or any swelling of your hands, face, or mouth while you or your child are using this medicine.

This medicine may cause gastritis (inflammation of the stomach). Check with your doctor right away if you or your child have a burning feeling in the chest or stomach, indigestion, stomach upset, or tenderness in the stomach area.

This medicine may cause hyperactivity (too much or constant activity). Tell your doctor if you or your child have any signs of the following: fidgeting or moving around too much or talking too much.

Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.